According to NBC 15's Cory Pippin, this happened in the parking lot of a restaurant in Orange Beach.
In his report, he interviewed the witnesses who took the video. They report that the road rage driver was angry because someone parked a truck on a parking space's white line. That seems like a minor annoyance that should never send someone into such a rage.
You can see the raw video below, with the cusswords bleeped out. You will notice that the man in the vehicle with a Colorado tag also seems to be prejudiced against Southerners.
I wonder: is the man mentally ill, or is he exhibiting learned behavior? Do you think he was raised to behave this way while he drives?
Also below, you can watch Cory Pippin's report and hear from the witnesses.